PHP+JS实现批量删除数据功能示例

2023-09-21 15:30:05 312

本文实例讲述了PHP+JS实现批量删除数据功能。分享给大家供大家参考，具体如下：

表单



"style="background:none;border:none;"/>


functionselectBox(selectType){
varcheckboxis=document.getElementsByName("id[]");
if(selectType=="reverse"){
for(vari=0;i

del_product.php

alert('必须选择一个产品,才可以删除!');history.back(-1);";
exit;
}else{
/*如果要获取全部数值则使用下面代码*/
$id=implode(",",$_POST['id']);
$str="DELETEFROM`product`whereidin($id)";
mysql_query($str);
echo"";
}
}
?>

附：php实现的数据库操作类

Db.php：

time=$this->microtime_float();
require_once("config.db.php");
$this->connect($db_config["hostname"],$db_config["username"],$db_config["password"],$db_config["database"],$db_config["pconnect"]);
$this->is_log=$db_config["log"];
if($this->is_log){
$handle=fopen($db_config["logfilepath"]."dblog.txt","a+");
$this->handle=$handle;
}
}
//数据库连接
publicfunctionconnect($dbhost,$dbuser,$dbpw,$dbname,$pconnect=0,$charset='utf8'){
if($pconnect==0){
$this->link_id=@mysql_connect($dbhost,$dbuser,$dbpw,true);
if(!$this->link_id){
$this->halt("数据库连接失败");
}
}else{
$this->link_id=@mysql_pconnect($dbhost,$dbuser,$dbpw);
if(!$this->link_id){
$this->halt("数据库持久连接失败");
}
}
if(!@mysql_select_db($dbname,$this->link_id)){
$this->halt('数据库选择失败');
}
@mysql_query("setnames".$charset);
}
//查询
publicfunctionquery($sql){
$this->write_log("查询".$sql);
$query=mysql_query($sql,$this->link_id);
if(!$query)$this->halt('QueryError:'.$sql);
return$query;
}
//获取一条记录（MYSQL_ASSOC，MYSQL_NUM，MYSQL_BOTH）
publicfunctionget_one($sql,$result_type=MYSQL_ASSOC){
$query=$this->query($sql);
$rt=&mysql_fetch_array($query,$result_type);
$this->write_log("获取一条记录".$sql);
return$rt;
}
//获取全部记录
publicfunctionget_all($sql,$result_type=MYSQL_ASSOC){
$query=$this->query($sql);
$i=0;
$rt=array();
while($row=&mysql_fetch_array($query,$result_type)){
$rt[$i]=$row;
$i++;
}
$this->write_log("获取全部记录".$sql);
return$rt;
}
//插入
publicfunctioninsert($table,$dataArray){
$field="";
$value="";
if(!is_array($dataArray)||count($dataArray)<=0){
$this->halt('没有要插入的数据');
returnfalse;
}
while(list($key,$val)=each($dataArray)){
$field.="$key,";
$value.="'$val',";
}
$field=substr($field,0,-1);
$value=substr($value,0,-1);
$sql="insertinto$table($field)values($value)";
$this->write_log("插入".$sql);
if(!$this->query($sql))returnfalse;
returntrue;
}
//更新
publicfunctionupdate($table,$dataArray,$condition=""){
if(!is_array($dataArray)||count($dataArray)<=0){
$this->halt('没有要更新的数据');
returnfalse;
}
$value="";
while(list($key,$val)=each($dataArray))
$value.="$key='$val',";
$value.=substr($value,0,-1);
$sql="update$tableset$valuewhere1=1and$condition";
$this->write_log("更新".$sql);
if(!$this->query($sql))returnfalse;
returntrue;
}
//删除
publicfunctiondelete($table,$condition=""){
if(empty($condition)){
$this->halt('没有设置删除的条件');
returnfalse;
}
$sql="deletefrom$tablewhere1=1and$condition";
$this->write_log("删除".$sql);
if(!$this->query($sql))returnfalse;
returntrue;
}
//返回结果集
publicfunctionfetch_array($query,$result_type=MYSQL_ASSOC){
$this->write_log("返回结果集");
returnmysql_fetch_array($query,$result_type);
}
//获取记录条数
publicfunctionnum_rows($results){
if(!is_bool($results)){
$num=mysql_num_rows($results);
$this->write_log("获取的记录条数为".$num);
return$num;
}else{
return0;
}
}
//释放结果集
publicfunctionfree_result(){
$void=func_get_args();
foreach($voidas$query){
if(is_resource($query)&&get_resource_type($query)==='mysqlresult'){
returnmysql_free_result($query);
}
}
$this->write_log("释放结果集");
}
//获取最后插入的id
publicfunctioninsert_id(){
$id=mysql_insert_id($this->link_id);
$this->write_log("最后插入的id为".$id);
return$id;
}
//关闭数据库连接
protectedfunctionclose(){
$this->write_log("已关闭数据库连接");
return@mysql_close($this->link_id);
}
//错误提示
privatefunctionhalt($msg=''){
$msg.="\r\n".mysql_error();
$this->write_log($msg);
die($msg);
}
//析构函数
publicfunction__destruct(){
$this->free_result();
$use_time=($this->microtime_float())-($this->time);
$this->write_log("完成整个查询任务,所用时间为".$use_time);
if($this->is_log){
fclose($this->handle);
}
}
//写入日志文件
publicfunctionwrite_log($msg=''){
if($this->is_log){
$text=date("Y-m-dH:i:s")."".$msg."\r\n";
fwrite($this->handle,$text);
}
}
//获取毫秒数
publicfunctionmicrotime_float(){
list($usec,$sec)=explode("",microtime());
return((float)$usec+(float)$sec);
}
}
?>

config.db.php

希望本文所述对大家PHP程序设计有所帮助。

PHP+JS实现批量删除数据功能示例

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